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The International Journal Of Engineering And Science (IJES)<br />

|| Volume || 3 || Issue || 4 || Pages || 14-15 || 2014 ||<br />

ISSN (e): 2319 – 1813 ISSN (p): 2319 – 1805<br />

<strong>Boosting</strong> <strong>With</strong> <strong>Sepic</strong><br />

1,<br />

Sudagar.M, 2, M. Sivaram Kumar, M.E,<br />

1,<br />

In partial fulfillment for the award of the degree of MASTER OF ENGINEERING in POWER ELECTRONICS<br />

AND DRIVES, KARPAGAM UNIVRSITY, coimbatore-21,<br />

2,<br />

Assistant Professor, Department of Electrcal and Electronics Engineering, KARPAGAM UNIVERSITY,<br />

coimbatore-21.<br />

------------------------------------------------------ABSTRACT----------------------------------------------------<br />

On trying to reach out a simulation model of a particular voltage and current as an output of sepic<br />

which uses a current source. This procedure may be checked, modified, and used to charge up a battery of<br />

relevant kind from a solar panel.<br />

KEYWORDS: simulation model, sepic, voltage, current, current source, charge up, battery, and solar panel.<br />

----------------------------------------------------------------------------------------------------------------------------------------<br />

Date of Submission: 10 April 2014 Date of Publication: 25 April 2014<br />

----------------------------------------------------------------------------------------------------------------------------------------<br />

I. INTRODUCTION:<br />

This paper explains about an idea of utilization of a non-conventional energy source. From the work<br />

tried to be done in this paper may help its reader to try out to charge up a rechargeable battery of a relevant kind<br />

after being having a detailed hardware understanding of utilizing solar panels.<br />

Literature Survey: A MATLAB generated waveform, of a particular voltage and current as an output of sepic<br />

which used a current source, carried out earlier uses some of its component values beyond its availability, led to<br />

try out a work to obtain a similar result with available components as maximum as possible.<br />

Research Elaborations:<br />

The sepic may have a current source. It may be given in figure 1.1.<br />

Rs = 70.588 Ω<br />

R2 = 23.529 Ω, 100W<br />

Rb = 3 Ω, 25W<br />

Rx = 100 Ω, 1KW<br />

L1 = 6417.112 µH, 5A<br />

L2 = 6417.112 µH, 5A<br />

C1 = 1000 µF, 25V<br />

C2 = 1000 µF, 25V<br />

C3 = (1000 µF, 25V) * 100<br />

Mosfet – IRF 840<br />

Diode – IN 4007<br />

Fig 1.1: Circuit of sepic<br />

Output Waveforms:<br />

The output voltage and current wave form generated at Rx may be given in figure 1.2.<br />

www.theijes.com The IJES Page 14


Boostig <strong>With</strong> <strong>Sepic</strong><br />

Fig.1.2: Output Voltage and Current Wave forms<br />

The pulse wave form may be given in figure 1.3.<br />

Fig.1.3: Firing pulse given to sepic<br />

Result and Discussion:<br />

A 5V, 5600mAh (Li-ion) rechargeable battery may be tried to be charged (1/100 th of the rated current is output<br />

of this sepic), may be understood from the MATLAB generated waveform after being having a detailed<br />

hardware understanding of utilizing solar panels. As the circuit uses sepic, it may be replaced by zeta to try out<br />

to obtain a similar output.<br />

Conclusion:<br />

This paper opens up a way to obtain a particular result. This paper, only helps its reader for a better<br />

understanding, to try out a work of a similar kind.<br />

REFERENCES:<br />

[1] D. Jc Mac Kay, Sustainable Energy without the Hot Air,(UIT Cambridge,England, 2009).<br />

[2] R.B.Darla, Development of maximum power point tracker for PV panel using SEPIC converter, Tele communications Energy<br />

Conference, 2007, sept.30-oct.4.<br />

[3] D.Morales, Maximum Power Point Tracking Algorithm for photovoltaic Applications, Thesis for the Degree of Master of<br />

Science,Aalto University ,Finland ,2010.<br />

[4] S.Poshtkouhi,V.Palaniappan and M.Fard, O.Trescases, IEEE Transactions on Power Electronics, Vol. 27, 2012, 4656-4666.<br />

[5] G.Walker, Evaluating MPPT converter topologies using a matlab PV model, J. Elect. Electron. Eng., Vol. 21, 2001, 45–55.<br />

[6] D. Archer, R. Hill, Clean electricity from photovoltaics, Series on Photoconversion of Solar Energy, (Imperial College Press,2001).<br />

[7] H.L. Tsai, Ci-Siang Tu and Yi-Jie Su, Development of Generalized Photovoltaic Model Using Matlab/Simulink, The World<br />

Congress on Engineering and Computer Science,USA , 2008,22-24 October.<br />

[8] W. DeSoto, S.A.Klein and W.A.Beckman, Improvement and Validation of a model for photovoltaic Array Performance, Elsevier<br />

Solar Energy, 2006, Vol.80,No.1, 78-88.<br />

[9] M. G. Villalva, J. R. Gazoli, and E. R. Filho, Comprehensive approach to modeling and simulation of photovoltaic arrays, IEEE<br />

Trans. PowerElectron, Vol. 24, No. 5, 2009, 1198–1208.<br />

[10] M.villavla, J.Gazoli,and E.Filho, Comprehensive approach to modeling and simulation of photovoltaic Arrays, IEEE Trans .on<br />

Power Electronics , Vol.24,No.5, 2009, 1198-1208.<br />

www.theijes.com The IJES Page 15

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